Ⅰ.Washed Kaolin
“DOWIN” washing kaolin series products are based on high quality raw materials and advanced process equipments manufacturing, which have high purity、chemical stability and good physical properties in term of suspensibility、insulation、plasticity、cohesiveness、spreadability、range of coverage etc。With high mechanical strength and classy article rate,white and fine texture as well as good cover , “DOWIN” products are ideal material in ceramics、coating、rubber、plastics、paper making industry.

Code of Product	PRODUCT INDEX
	Particles< 2 μm（%）	Firing Whiteness	PH Value	Moisture of Powder	Moisture of Massive	SiO2	Al2O3	Fe2O3	TiO2
DWK-1	≥50	≥88	4～5	1-3	15-30	48	≥36.5	≤0.65	≤0.2
DWK-2	≥45	86-87	5～6.5	1-3	15-30	49	≥35	≤0.85	≤0.15
DWK-3	≥30	84-85	5～7	1-3	15-30	50	≥35	≤0.90	≤0.2
DWK-4	≥20	81-83	5～7	1-3	15-30	50	≥33	≤0.95	≤0.15
DWK-5	≥20.0	78	5～7	1-3	15-30	50	≥32	≤1.0	≤0.15